Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.

A Nessie-like monster supposedly lurks in this lake.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

One incredible room in the Santa Barbara Courthouse is covered in wall-to-wall canvas murals.

This is the oldest Roman-made bridge in the city still existing in its original state.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

The corporeal remains of Napoleon III's dentist rest under this 15-story obelisk.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

Deep in the Negev Desert, the world's tallest solar tower looks like a sight straight out of science fiction.

The only quarter of the Old City not dedicated to a major world religion.

The tallest waterfall in the Judean Desert is named for its connection to a biblical figure.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Named for the biblical warrior, the largest castle in Israel actually dates to the Middle Ages.

The Dead Sea Scrolls were discovered in the ruins of this ancient monastic community.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

A hotel with a rich Wild West history of miners and bootleggers.

The highway's southernmost spot is a beloved local attraction.

Alexander Hamilton’s creation caused quite a bit of controversy.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.